Sure thing, let's get straight to it. We start with 186 and we're going to multiply it by 406, which means adding 186 to itself 406 times.
Step 1: 0 + 186 = 186
Step 2: 186 + 186 = 372
Step 3: 372 + 186 = 558
Step 4: 558 + 186 = 744
Step 5: 744 + 186 = 930
Step 6: 930 + 186 = 1116
Step 7: 1116 + 186 = 1302
Step 8: 1302 + 186 = 1488
Step 9: 1488 + 186 = 1674
Step 10: 1674 + 186 = 1860
Step 11: 1860 + 186 = 2046
Step 12: 2046 + 186 = 2232
Step 13: 2232 + 186 = 2418
Step 14: 2418 + 186 = 2604
Step 15: 2604 + 186 = 2790
Step 16: 2790 + 186 = 2976
Step 17: 2976 + 186 = 3162
Step 18: 3162 + 186 = 3348
Step 19: 3348 + 186 = 3534
Step 20: 3534 + 186 = 3720
Step 21: 3720 + 186 = 3906
Step 22: 3906 + 186 = 4092
Step 23: 4092 + 186 = 4278
Step 24: 4278 + 186 = 4464
Step 25: 4464 + 186 = 4650
Step 26: 4650 + 186 = 4836
Step 27: 4836 + 186 = 5022
Step 28: 5022 + 186 = 5208
Step 29: 5208 + 186 = 5394
Step 30: 5394 + 186 = 5580
Step 31: 5580 + 186 = 5766
Step 32: 5766 + 186 = 5952
Step 33: 5952 + 186 = 6138
Step 34: 6138 + 186 = 6324
Step 35: 6324 + 186 = 6510
Step 36: 6510 + 186 = 6696
Step 37: 6696 + 186 = 6882
Step 38: 6882 + 186 = 7068
Step 39: 7068 + 186 = 7254
Step 40: 7254 + 186 = 7440
Step 41: 7440 + 186 = 7626
Step 42: 7626 + 186 = 7812
Step 43: 7812 + 186 = 7998
Step 44: 7998 + 186 = 8184
Step 45: 8184 + 186 = 8370
Step 46: 8370 + 186 = 8556
Step 47: 8556 + 186 = 8742
Step 48: 8742 + 186 = 8928
Step 49: 8928 + 186 = 9114
Step 50: 9114 + 186 = 9300
Step 51: 9300 + 186 = 9486
Step 52: 9486 + 186 = 9672
Step 53: 9672 + 186 = 9858
Step 54: 9858 + 186 = 10044
Step 55: 10044 + 186 = 10230
Step 56: 10230 + 186 = 10416
Step 57: 10416 + 186 = 10602
Step 58: 10602 + 186 = 10788
Step 59: 10788 + 186 = 10974
Step 60: 10974 + 186 = 11160
Step 61: 11160 + 186 = 11346
Step 62: 11346 + 186 = 11532
Step 63: 11532 + 186 = 11718
Step 64: 11718 + 186 = 11904
Step 65: 11904 + 186 = 12090
Step 66: 12090 + 186 = 12276
Step 67: 12276 + 186 = 12462
Step 68: 12462 + 186 = 12648
Step 69: 12648 + 186 = 12834
Step 70: 12834 + 186 = 13020
Step 71: 13020 + 186 = 13206
Step 72: 13206 + 186 = 13392
Step 73: 13392 + 186 = 13578
Step 74: 13578 + 186 = 13764
Step 75: 13764 + 186 = 13950
Step 76: 13950 + 186 = 14136
Step 77: 14136 + 186 = 14322
Step 78: 14322 + 186 = 14508
Step 79: 14508 + 186 = 14694
Step 80: 14694 + 186 = 14880
Step 81: 14880 + 186 = 15066
Step 82: 15066 + 186 = 15252
Step 83: 15252 + 186 = 15438
Step 84: 15438 + 186 = 15624
Step 85: 15624 + 186 = 15810
Step 86: 15810 + 186 = 15996
Step 87: 15996 + 186 = 16182
Step 88: 16182 + 186 = 16368
Step 89: 16368 + 186 = 16554
Step 90: 16554 + 186 = 16740
Step 91: 16740 + 186 = 16926
Step 92: 16926 + 186 = 17112
Step 93: 17112 + 186 = 17298
Step 94: 17298 + 186 = 17484
Step 95: 17484 + 186 = 17670
Step 96: 17670 + 186 = 17856
Step 97: 17856 + 186 = 18042
Step 98: 18042 + 186 = 18228
Step 99: 18228 + 186 = 18414
Step 100: 18414 + 186 = 18600
Step 101: 18600 + 186 = 18786
Step 102: 18786 + 186 = 18972
Step 103: 18972 + 186 = 19158
Step 104: 19158 + 186 = 19344
Step 105: 19344 + 186 = 19530
Step 106: 19530 + 186 = 19716
Step 107: 19716 + 186 = 19902
Step 108: 19902 + 186 = 20088
Step 109: 20088 + 186 = 20274
Step 110: 20274 + 186 = 20460
Step 111: 20460 + 186 = 20646
Step 112: 20646 + 186 = 20832
Step 113: 20832 + 186 = 21018
Step 114: 21018 + 186 = 21204
Step 115: 21204 + 186 = 21390
Step 116: 21390 + 186 = 21576
Step 117: 21576 + 186 = 21762
Step 118: 21762 + 186 = 21948
Step 119: 21948 + 186 = 22134
Step 120: 22134 + 186 = 22320
Step 121: 22320 + 186 = 22506
Step 122: 22506 + 186 = 22692
Step 123: 22692 + 186 = 22878
Step 124: 22878 + 186 = 23064
Step 125: 23064 + 186 = 23250
Step 126: 23250 + 186 = 23436
Step 127: 23436 + 186 = 23622
Step 128: 23622 + 186 = 23808
Step 129: 23808 + 186 = 23994
Step 130: 23994 + 186 = 24180
Step 131: 24180 + 186 = 24366
Step 132: 24366 + 186 = 24552
Step 133: 24552 + 186 = 24738
Step 134: 24738 + 186 = 24924
Step 135: 24924 + 186 = 25110
Step 136: 25110 + 186 = 25296
Step 137: 25296 + 186 = 25482
Step 138: 25482 + 186 = 25668
Step 139: 25668 + 186 = 25854
Step 140: 25854 + 186 = 26040
Step 141: 26040 + 186 = 26226
Step 142: 26226 + 186 = 26412
Step 143: 26412 + 186 = 26598
Step 144: 26598 + 186 = 26784
Step 145: 26784 + 186 = 26970
Step 146: 26970 + 186 = 27156
Step 147: 27156 + 186 = 27342
Step 148: 27342 + 186 = 27528
Step 149: 27528 + 186 = 27714
Step 150: 27714 + 186 = 27900
Step 151: 27900 + 186 = 28086
Step 152: 28086 + 186 = 28272
Step 153: 28272 + 186 = 28458
Step 154: 28458 + 186 = 28644
Step 155: 28644 + 186 = 28830
Step 156: 28830 + 186 = 29016
Step 157: 29016 + 186 = 29202
Step 158: 29202 + 186 = 29388
Step 159: 29388 + 186 = 29574
Step 160: 29574 + 186 = 29760
Step 161: 29760 + 186 = 29946
Step 162: 29946 + 186 = 30132
Step 163: 30132 + 186 = 30318
Step 164: 30318 + 186 = 30504
Step 165: 30504 + 186 = 30690
Step 166: 30690 + 186 = 30876
Step 167: 30876 + 186 = 31062
Step 168: 31062 + 186 = 31248
Step 169: 31248 + 186 = 31434
Step 170: 31434 + 186 = 31620
Step 171: 31620 + 186 = 31806
Step 172: 31806 + 186 = 31992
Step 173: 31992 + 186 = 32178
Step 174: 32178 + 186 = 32364
Step 175: 32364 + 186 = 32550
Step 176: 32550 + 186 = 32736
Step 177: 32736 + 186 = 32922
Step 178: 32922 + 186 = 33108
Step 179: 33108 + 186 = 33294
Step 180: 33294 + 186 = 33480
Step 181: 33480 + 186 = 33666
Step 182: 33666 + 186 = 33852
Step 183: 33852 + 186 = 34038
Step 184: 34038 + 186 = 34224
Step 185: 34224 + 186 = 34410
Step 186: 34410 + 186 = 34596
Step 187: 34596 + 186 = 34782
Step 188: 34782 + 186 = 34968
Step 189: 34968 + 186 = 35154
Step 190: 35154 + 186 = 35340
Step 191: 35340 + 186 = 35526
Step 192: 35526 + 186 = 35712
Step 193: 35712 + 186 = 35898
Step 194: 35898 + 186 = 36084
Step 195: 36084 + 186 = 36270
Step 196: 36270 + 186 = 36456
Step 197: 36456 + 186 = 36642
Step 198: 36642 + 186 = 36828
Step 199: 36828 + 186 = 37014
Step 200: 37014 + 186 = 37200
Step 201: 37200 + 186 = 37386
Step 202: 37386 + 186 = 37572
Step 203: 37572 + 186 = 37758
Step 204: 37758 + 186 = 37944
Step 205: 37944 + 186 = 38130
Step 206: 38130 + 186 = 38316
Step 207: 38316 + 186 = 38502
Step 208: 38502 + 186 = 38688
Step 209: 38688 + 186 = 38874
Step 210: 38874 + 186 = 39060
Step 211: 39060 + 186 = 39246
Step 212: 39246 + 186 = 39432
Step 213: 39432 + 186 = 39618
Step 214: 39618 + 186 = 39804
Step 215: 39804 + 186 = 39990
Step 216: 39990 + 186 = 40176
Step 217: 40176 + 186 = 40362
Step 218: 40362 + 186 = 40548
Step 219: 40548 + 186 = 40734
Step 220: 40734 + 186 = 40920
Step 221: 40920 + 186 = 41106
Step 222: 41106 + 186 = 41292
Step 223: 41292 + 186 = 41478
Step 224: 41478 + 186 = 41664
Step 225: 41664 + 186 = 41850
Step 226: 41850 + 186 = 42036
Step 227: 42036 + 186 = 42222
Step 228: 42222 + 186 = 42408
Step 229: 42408 + 186 = 42594
Step 230: 42594 + 186 = 42780
Step 231: 42780 + 186 = 42966
Step 232: 42966 + 186 = 43152
Step 233: 43152 + 186 = 43338
Step 234: 43338 + 186 = 43524
Step 235: 43524 + 186 = 43710
Step 236: 43710 + 186 = 43896
Step 237: 43896 + 186 = 44082
Step 238: 44082 + 186 = 44268
Step 239: 44268 + 186 = 44454
Step 240: 44454 + 186 = 44640
Step 241: 44640 + 186 = 44826
Step 242: 44826 + 186 = 45012
Step 243: 45012 + 186 = 45198
Step 244: 45198 + 186 = 45384
Step 245: 45384 + 186 = 45570
Step 246: 45570 + 186 = 45756
Step 247: 45756 + 186 = 45942
Step 248: 45942 + 186 = 46128
Step 249: 46128 + 186 = 46314
Step 250: 46314 + 186 = 46500
Step 251: 46500 + 186 = 46686
Step 252: 46686 + 186 = 46872
Step 253: 46872 + 186 = 47058
Step 254: 47058 + 186 = 47244
Step 255: 47244 + 186 = 47430
Step 256: 47430 + 186 = 47616
Step 257: 47616 + 186 = 47802
Step 258: 47802 + 186 = 47988
Step 259: 47988 + 186 = 48174
Step 260: 48174 + 186 = 48360
Step 261: 48360 + 186 = 48546
Step 262: 48546 + 186 = 48732
Step 263: 48732 + 186 = 48918
Step 264: 48918 + 186 = 49104
Step 265: 49104 + 186 = 49290
Step 266: 49290 + 186 = 49476
Step 267: 49476 + 186 = 49662
Step 268: 49662 + 186 = 49848
Step 269: 49848 + 186 = 50034
Step 270: 50034 + 186 = 50220
Step 271: 50220 + 186 = 50406
Step 272: 50406 + 186 = 50592
Step 273: 50592 + 186 = 50778
Step 274: 50778 + 186 = 50964
Step 275: 50964 + 186 = 51150
Step 276: 51150 + 186 = 51336
Step 277: 51336 + 186 = 51522
Step 278: 51522 + 186 = 51708
Step 279: 51708 + 186 = 51894
Step 280: 51894 + 186 = 52080
Step 281: 52080 + 186 = 52266
Step 282: 52266 + 186 = 52452
Step 283: 52452 + 186 = 52638
Step 284: 52638 + 186 = 52824
Step 285: 52824 + 186 = 53010
Step 286: 53010 + 186 = 53196
Step 287: 53196 + 186 = 53382
Step 288: 53382 + 186 = 53568
Step 289: 53568 + 186 = 53754
Step 290: 53754 + 186 = 53940
Step 291: 53940 + 186 = 54126
Step 292: 54126 + 186 = 54312
Step 293: 54312 + 186 = 54498
Step 294: 54498 + 186 = 54684
Step 295: 54684 + 186 = 54870
Step 296: 54870 + 186 = 55056
Step 297: 55056 + 186 = 55242
Step 298: 55242 + 186 = 55428
Step 299: 55428 + 186 = 55614
Step 300: 55614 + 186 = 55800
Step 301: 55800 + 186 = 55986
Step 302: 55986 + 186 = 56172
Step 303: 56172 + 186 = 56358
Step 304: 56358 + 186 = 56544
Step 305: 56544 + 186 = 56730
Step 306: 56730 + 186 = 56916
Step 307: 56916 + 186 = 57102
Step 308: 57102 + 186 = 57288
Step 309: 57288 + 186 = 57474
Step 310: 57474 + 186 = 57660
Step 311: 57660 + 186 = 57846
Step 312: 57846 + 186 = 58032
Step 313: 58032 + 186 = 58218
Step 314: 58218 + 186 = 58404
Step 315: 58404 + 186 = 58590
Step 316: 58590 + 186 = 58776
Step 317: 58776 + 186 = 58962
Step 318: 58962 + 186 = 59148
Step 319: 59148 + 186 = 59334
Step 320: 59334 + 186 = 59520
Step 321: 59520 + 186 = 59706
Step 322: 59706 + 186 = 59892
Step 323: 59892 + 186 = 60078
Step 324: 60078 + 186 = 60264
Step 325: 60264 + 186 = 60450
Step 326: 60450 + 186 = 60636
Step 327: 60636 + 186 = 60822
Step 328: 60822 + 186 = 61008
Step 329: 61008 + 186 = 61194
Step 330: 61194 + 186 = 61380
Step 331: 61380 + 186 = 61566
Step 332: 61566 + 186 = 61752
Step 333: 61752 + 186 = 61938
Step 334: 61938 + 186 = 62124
Step 335: 62124 + 186 = 62310
Step 336: 62310 + 186 = 62496
Step 337: 62496 + 186 = 62682
Step 338: 62682 + 186 = 62868
Step 339: 62868 + 186 = 63054
Step 340: 63054 + 186 = 63240
Step 341: 63240 + 186 = 63426
Step 342: 63426 + 186 = 63612
Step 343: 63612 + 186 = 63798
Step 344: 63798 + 186 = 63984
Step 345: 63984 + 186 = 64170
Step 346: 64170 + 186 = 64356
Step 347: 64356 + 186 = 64542
Step 348: 64542 + 186 = 64728
Step 349: 64728 + 186 = 64914
Step 350: 64914 + 186 = 65100
Step 351: 65100 + 186 = 65286
Step 352: 65286 + 186 = 65472
Step 353: 65472 + 186 = 65658
Step 354: 65658 + 186 = 65844
Step 355: 65844 + 186 = 66030
Step 356: 66030 + 186 = 66216
Step 357: 66216 + 186 = 66402
Step 358: 66402 + 186 = 66588
Step 359: 66588 + 186 = 66774
Step 360: 66774 + 186 = 66960
Step 361: 66960 + 186 = 67146
Step 362: 67146 + 186 = 67332
Step 363: 67332 + 186 = 67518
Step 364: 67518 + 186 = 67704
Step 365: 67704 + 186 = 67890
Step 366: 67890 + 186 = 68076
Step 367: 68076 + 186 = 68262
Step 368: 68262 + 186 = 68448
Step 369: 68448 + 186 = 68634
Step 370: 68634 + 186 = 68820
Step 371: 68820 + 186 = 69006
Step 372: 69006 + 186 = 69192
Step 373: 69192 + 186 = 69378
Step 374: 69378 + 186 = 69564
Step 375: 69564 + 186 = 69750
Step 376: 69750 + 186 = 69936
Step 377: 69936 + 186 = 70122
Step 378: 70122 + 186 = 70308
Step 379: 70308 + 186 = 70494
Step 380: 70494 + 186 = 70680
Step 381: 70680 + 186 = 70866
Step 382: 70866 + 186 = 71052
Step 383: 71052 + 186 = 71238
Step 384: 71238 + 186 = 71424
Step 385: 71424 + 186 = 71610
Step 386: 71610 + 186 = 71796
Step 387: 71796 + 186 = 71982
Step 388: 71982 + 186 = 72168
Step 389: 72168 + 186 = 72354
Step 390: 72354 + 186 = 72540
Step 391: 72540 + 186 = 72726
Step 392: 72726 + 186 = 72912
Step 393: 72912 + 186 = 73098
Step 394: 73098 + 186 = 73284
Step 395: 73284 + 186 = 73470
Step 396: 73470 + 186 = 73656
Step 397: 73656 + 186 = 73842
Step 398: 73842 + 186 = 74028
Step 399: 74028 + 186 = 74214
Step 400: 74214 + 186 = 74400
Step 401: 74400 + 186 = 74586
Step 402: 74586 + 186 = 74772
Step 403: 74772 + 186 = 74958
Step 404: 74958 + 186 = 75144
Step 405: 75144 + 186 = 75330
Step 406: 75330 + 186 = 75516

So, 186*406 = 75516